EP1450085A1 - Montagevorrichtung zur Montage von Dichtungen - Google Patents
Montagevorrichtung zur Montage von Dichtungen Download PDFInfo
- Publication number
- EP1450085A1 EP1450085A1 EP04004093A EP04004093A EP1450085A1 EP 1450085 A1 EP1450085 A1 EP 1450085A1 EP 04004093 A EP04004093 A EP 04004093A EP 04004093 A EP04004093 A EP 04004093A EP 1450085 A1 EP1450085 A1 EP 1450085A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- component
- slide rail
- mounting device
- flexible
- intermediate element
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K11/00—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves
- F16K11/02—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit
- F16K11/06—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only sliding valves, i.e. sliding closure elements
- F16K11/065—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only sliding valves, i.e. sliding closure elements with linearly sliding closure members
- F16K11/07—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only sliding valves, i.e. sliding closure elements with linearly sliding closure members with cylindrical slides
- F16K11/0704—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only sliding valves, i.e. sliding closure elements with linearly sliding closure members with cylindrical slides comprising locking elements
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/04—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for assembling or disassembling parts
- B23P19/08—Machines for placing washers, circlips, or the like on bolts or other members
- B23P19/084—Machines for placing washers, circlips, or the like on bolts or other members for placing resilient or flexible rings, e.g. O-rings, circlips
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING, OR HOLDING
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
- B25B27/0028—Tools for removing or installing seals
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/32—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings
- F16J15/3268—Mounting of sealing rings
Definitions
- the invention relates to a mounting device for the radial insertion of a flexible Intermediate element in an intermediate space of a component.
- the invention relates a mounting device for the radial insertion of a flexible seal in a Space between a pneumatic distributor, in particular a pneumatic valve.
- Multi-way pneumatic valves and other switching valves are known in the prior art in a variety of designs and for different applications.
- Commercially available multi-way pneumatic valves usually comprise a basic block in which at least one chamber is accommodated, which can usually be subdivided into several intermediate chambers.
- a switching mimicry is arranged which enables selective switching in such a way that at least one intermediate chamber communicates selectively with none, one or more inputs and outputs, depending on the switching position. In a passage switching position, a fluid can thus reach an outlet from an inlet via an intermediate chamber. If the switching position is selectively changed, either a fluid from another input reaches this output, or the fluid from the first input reaches another output, or the communication between the input and the output is interrupted.
- the other intermediate chambers can also be switched selectively, independently or coupled to the switching position of the first intermediate chamber.
- a displaceable piston can be arranged, for example, in a cylindrical chamber, the diameter of which is thickened at defined distances from one another, the spaces between the thickenings being designed as intermediate chambers. If the piston is now axially displaced, the axial position of the gaps in the cylindrical chamber changes.
- the inputs and outputs are each only designed as bores opening radially into the cylindrical chamber. Depending on the axial displacement position of the piston, the inputs and outputs can thus be selectively connected to the intermediate chambers.
- a major problem in the design and operation of such multi-way pneumatic valves provides the fluid-tight seal between the intermediate chambers as well as to the outside.
- the basic block of which several individual elements, the component joints must be between adjacent individual elements are sealed to prevent leakage of fluid to prevent these component joints.
- the applicant has a valve assembly under the designation 'TC' on the market, in which the valves each comprise a basic block which is used for Simplification of production is composed of a large number of individual elements.
- the cuboid base body of such a base block has one on one long side rectangular recess that extends almost over the entire length of the base body extends and in depth to about two thirds of the height of the basic block in the basic block is incorporated.
- Partitions are arranged at the bottom of the recess, which the Divide the recess into five intermediate areas. In the first, third and fifth In the fully assembled state of the valve, the bores open out from the intermediate area Bottom of the base block forth, holes in the second and fourth intermediate area from the top of the base block.
- a cylindrical channel in which the valve piston is then inserted is in the Base block provided a through hole, which extends from one end of the Basic blocks to the other end and each also extends through the partitions.
- a cage is used in every intermediate area during valve assembly.
- the outer contours of the cages match the inner contours of the Intermediate areas of the recess executed.
- each cylindrical through holes are provided so that after the insertion of the cages a closed, fully cylindrical channel for receiving the valve piston results.
- the cages are screwed to the top of the recess by means of a screw with the base block Lid secured against falling out.
- the final assembly step is after Assemble the base block of the valve pistons together with a return spring in the Through hole inserted and the through hole on the lower end face over a simple cover element and on the upper front side Magnetic coil end element closed.
- seals In order to avoid leakage of fluid from the cylindrical channel via the component joints, seals, preferably round cord seals, are arranged in the separating joints between the partition walls and the cages. For this purpose, small positioning grooves are partially made in the components in order to at least partially accommodate the seals.
- these seals were manually installed by installers before the cages were inserted. For this purpose, the seals were introduced in the axial direction of the valve piston, ie axially into their end position.
- the seals must be placed very carefully in the positions intended for them, so that they are not pushed out of their position when the cages are inserted later and thus either impair the functionality of the valve or even damage it.
- the invention is therefore based on the object of providing a mounting device with which a seal is introduced into an intermediate space of a component, in particular into an intermediate space which results between an intermediate wall and a cage, while avoiding the problems known in the prior art can be.
- the assembly device should be of simple construction and expediently also be able to be operated fully automatically or at least partially automatically.
- the assembly device for the radial insertion of a flexible intermediate element into an intermediate space of a component, in particular for the radial insertion of a flexible seal into an intermediate space of a pneumatic distributor, comprises a slide rail which has a front part through an opening provided in the component and into the region of the intermediate space of the component can be used.
- the slide rail in turn comprises a slide path along which the flexible intermediate element can be slidably inserted into the intermediate space of the component when the slide rail is inserted into the component, using the flexibility of the intermediate element.
- the flexible intermediate element is thus inserted into the intermediate space of the component in two steps: First, the slide rail is inserted into the opening of the component.
- the flexible intermediate element is then inserted into the component along the slideway of the slide rail.
- the slideway serves to guide the flexible intermediate element, so that the intermediate element arrives at the intended place in the component.
- the slideway is advantageously designed with a smooth surface, so that the flexible intermediate element is inserted with as little friction as possible and in particular without damaging the flexible intermediate element.
- the flexible intermediate element can be inserted radially into an intermediate space provided in a component by means of the assembly device according to the invention.
- the direction of the insertion process is purely radial, ie the flexible intermediate element is only fed along and in the direction of the slide rail. So far, the flexible intermediate element has been fed axially or initially radially and finally axially.
- intermediate space is used in particular to denote a component joint between two components.
- a larger cutout can also be provided for receiving the flexible intermediate element, which is then also included in the term intermediate space.
- the intermediate space does not have to be recognizable as an intermediate space during the assembly of the flexible intermediate element, but can also only exist as a space between two components after complete assembly. For example, the space between an intermediate wall and a cage only arises after the cage has been inserted.
- the assembly step of inserting the seals no longer has to be carried out manually, but can be carried out by means of the assembly device according to the invention.
- a major advantage of mechanical assembly is that the mechanical assembly process is less prone to errors. With fewer valves, seals are thus incorrectly installed or incorrectly adjusted, which would then have to be replaced or readjusted in one repair step.
- the component usually points at the position at which the flexible intermediate element is arranged to be a recess, for example a groove in which the flexible intermediate element is at least partially included.
- the recess is useful as a component groove with a round or oval shape. The seal thus becomes a part in the component groove picked up and protrudes with the other part out of the groove.
- the slide rail is expediently tongue-shaped in its front part, i.e. the In its front part, the slide rail closes with a semi-oval, semicircular or similar trained top.
- this facilitates the insertion of the slide rail into the Component, since there is no tilting of the slide rail with edges of the component can.
- the flexible intermediate element experiences in the middle of the Slide rail, i.e. in the area of the tip of the tongue a deeper into the component Leadership than on the edges.
- the tip of the slide rail is advantageous designed according to the outer contour of the seal.
- the slideway is formed as a depression in the slide rail.
- a first lateral boundary web and a second lateral boundary web opposite the first lateral boundary web are expediently arranged on the slide rail.
- a third, front limiting web is additionally arranged on the slide rail in order to limit the slide path of the flexible intermediate element in the insertion direction to the front. Indentation and boundary bars ensure that the slideway is limited to the side as well as forward in the direction of insertion.
- the slideway is thus predefined, which ensures good guidance of the flexible intermediate element during insertion. Only on the upper side is there contact between the flexible intermediate element and the component during insertion.
- Damage to the flexible intermediate element for example due to projecting component edges, or incorrect alignment of the flexible intermediate element, for example due to a too deep insertion of the intermediate element into the component, are avoided by the arrangement of the limiting webs and by the formation of the slideway as a depression.
- the slideway is arranged on a first side of the slide rail.
- the first side opposite side of the slide rail can be advantageous
- Embodiment of the invention can also be arranged a second slideway. With this you can for example, insert two seals in parallel to each other.
- the assembly device further comprises a basic block with a through opening.
- the slide rail engages with a rear one Part facing away from the front part through the through hole and is here connected to the basic block.
- A remains between the slide rail and the base block Intermediate gap through which the flexible intermediate element can slide through the base block.
- at least one centering element is expedient on the base block Centering of the base block provided on the component.
- the component depth of the base block the mounting device is advantageously chosen so that the base block on its front, the side facing the slide rail tip in the assembled state, i.e. in the one with the component for assembling the seal assembled state in the area of the slide rail directly adjacent to the component.
- Base block is therefore expedient up to the top of the respective partition. So is in the assembled state, a closed sliding channel is formed, through which the flexible Intermediate element slides.
- the mounting device also expediently comprises a sliding pin, which is longitudinal the slideway can be guided to the flexible intermediate element in the intermediate space of the component insert.
- the tip of the push pin must be smaller than that Dimensions of the slide channel, so that it can be inserted into it.
- the Tip be long enough to bring the flexible intermediate element to its end position to be able to advance.
- the invention includes the mounting device A plurality of slide rails with a plurality of slide tracks for simultaneous Inserting several flexible intermediate elements into one or more intermediate spaces Spaces of a component.
- the assembly device also expediently comprises a fully automatic device Control for the fully automatic installation of seals in spaces between Pneumatic distributors.
- a fully automatic device Control for the fully automatic installation of seals in spaces between Pneumatic distributors.
- it can also be used in particular in the context of small series production be expedient from a cost point of view, only a partially automatic control provided.
- a method for assembling a flexible Intermediate element in an intermediate space of a component in particular for mounting a flexible seal in one or more chamber spaces of a pneumatic distributor.
- the first step of the process is the slide rail of the mounting device according to the invention with its front part an opening provided in the component into the region of the intermediate space of the component used.
- the intermediate element is then used using the flexibility of the Intermediate element slidably inserted radially into the space along the slide rail to revert to its original state here.
- the flexible seal is thus using the material flexibility purely radially fed to the space.
- the Assembly device After inserting the intermediate element into the intermediate space, the Assembly device removed from the opening of the component and the opening in the Component closed with a cage.
- FIG. 1 shows a longitudinal section through a multi-way valve of the TC series known from the prior art, manufactured and sold by the applicant.
- the valve 10 shown here is a 5/2-way valve with 2 inputs 11, 12 and three outputs 13, 14 and 15. Depending on the switching position of the valve, an input communicates with one of the outputs, so that a fluid , for example air, can flow from this one entrance to this one exit.
- the valve comprises a basic block 16 designed as a pneumatic distributor.
- the basic block 16 is composed of a large number of individual elements in order to simplify production. For this purpose, a recess 19 with a rectangular cross section is provided on a cuboid base 17 of the base block 16 on the upper side of a longitudinal side 18 of the base 17 in FIG.
- a cage 20a to 20e is inserted from above into each intermediate region 19a to 19e.
- the cages 20a and 20b are shown in FIG. 2 in a perspective partial representation.
- a cylindrical channel 21 is also formed, in which the valve piston 22 is inserted.
- a through hole is provided in the base block, which extends from one end face of the base block to the other end face and also in each case through the intermediate walls.
- cylindrical through bores 23a, 23b are also provided in the cages 20a to 20e for this purpose. Furthermore, openings are provided in the cages 20a, 20c, 20e, which are inserted in the first, third and fifth intermediate regions 19a, 19c, 19e, on the undersides, so that the cylindrical channel is connected here to the outputs.
- a hole is made from above, which opens into the respective through hole of the cage. These holes form the inputs 11 and 12 of the valve 10.
- the cages are secured to the top 18 against falling out by means of a cover 24 which can be screwed to the base block.
- valve piston 22 In the cylindrical channel 21, the valve piston 22 is inserted together with a return spring 25 and the channel 21 is closed on one end by a simple cover element 26 and on the other end by a solenoid end element 27.
- the magnet coil end element 27 comprises a magnet coil (not shown in FIG. 1) which, when energized, causes a pin to be moved in the direction of the valve piston axis and the valve piston 22 is thereby moved to the right in the illustration, counter to the direction of action of the return spring 25.
- the valve piston 22 consists of three thickened sections 22a, 22c, 22e and two thinner intermediate connecting webs 22b, 22d, the diameter of the thickened sections each being equal to the diameter of the channel 21. The regions of the intermediate connecting webs 22b and 22d thus each form intermediate chambers.
- these intermediate chambers move in the axial direction of the valve piston in accordance with the movement of the valve piston.
- an inlet 11 or 12 of the valve can be connected to an outlet 13, 14 or 15 of the valve via one of the intermediate chambers, so that a fluid can flow from the respective inlet to the respective outlet.
- seals When assembled, these seals are pressed together between the components and seal the component joint.
- the seals cannot be seen in FIG. 1. So far the assembly of the seals manually or mechanically, the seals in one last assembly movement step in the piston axis direction, thus axially, its predetermined Space was supplied.
- Such a seal is shown in Figure 2 and with reference numerals 28 marked.
- the seals are made of a flexible material, for example a rubber material and / or silicone material so that they are a certain amount can be deformed and develop a restoring force to seal the Component column is used.
- the invention proposes that Supply seals purely radially.
- the specification 'radial' refers to the Channel axis of the channel 21 or the valve piston axis of the channel piston 22. Further strikes the invention provides a simple assembly device by means of which the seals are purely radial can be fed to their position.
- FIG. 3a shows a top view
- FIG. 3b shows a side view of a test sample 30 of the assembly device according to the invention.
- the test sample was created in order to prove experimentally that the seals can be installed in the manner according to the invention.
- the test sample comprises the elements that are functionally essential for the invention, which, however, can be partially modified as part of a further development to a mounting device ready for series production or can be supplemented by further elements.
- the test pattern 30 carried out according to the invention comprises a slideway 32 which is provided on a slideway 31 and on which a seal can slide.
- the slide rail 31 is tongue-shaped in its front part 31a with a semicircular outer contour as shown here.
- the slideway 32 is designed here as a depression in the slide rail 31.
- a first lateral limiting web 33 and a second lateral limiting web 34 opposite the first lateral limiting web 34 are arranged on the sliding rail 31 for the lateral limitation of the slideway 32.
- a third, front limiting web 35 is additionally arranged on the slide rail 31 in order to limit the slide path of the flexible intermediate element in the insertion direction.
- the test pattern carried out according to the invention comprises a base block 36 with a through opening, the slide rail 31 being arranged with a rear part 31b of the slide rail 31, which faces away from the front part 31a, reaching through the through opening and being connected to the base block 36 such that between An intermediate gap remains through the slide rail and base block, through which the seal can slide through the base block.
- the intermediate gap cannot be seen in FIGS. 3a and 3b; however, the course of the slide rail is shown in dashed lines in the basic block.
- Centering bars 37a, 37b are attached to the base block at the top and bottom, which serve to center the base block 36 on the base body of the pneumatic distributor. Furthermore, the mounting device comprises a push pin 38 which can be guided along the slideway 32 in order to push the flexible intermediate element in the direction of the front part 31a of the slideway 31 and thus into the intermediate space of the pneumatic distributor.
- FIG 4 the process of assembling a seal using the test pattern 30 is over Figures 3a and 3b shown in plan view.
- a base body can be seen in FIG 17 of a pneumatic distributor with a cylindrical channel 21 arranged therein.
- the perspective on the right front side of the pneumatic distributor is not recognizable provided opening in which the slide rail is inserted.
- the slide rail extends into the Area of the intermediate space of the component, that is to say in the arrangement shown here cylindrical channel 21. Between the slide rail and the component wall remains along the entire A gap along which a flexible seal can slide. To insert the Seal in the gap and for sliding the seal along the sliding path it is necessary that the seal can be deformed. Only when the seal is in its end position has arrived, there is at least partially a deformation of the seal.
- FIG. 5 shows a further mounting device 30 designed according to the invention, which is used for Series assembly of multi-way valves is suitable. Only the essential ones are shown here Components. The functionality of the assembly device shown here corresponds to Comments on the test sample according to Figures 3 and 4. However, in the here Mounting device shown a plurality of slide rails 31a to 31d and several Slide pins 38a to 38f arranged side by side to insert several at the same time Make seals in adjacent spaces between one or more components can. A total of six seals can be installed at the same time.
- a separate push pin 38a to 38f is provided Slides of the second and third to be counted in the representation from the left and the fourth and fifth gasket to be mounted on the front and rear sides of the Slide rails 31b and 31c formed.
- the slide rails are with at their rear ends connected to a movement mechanism with which the slide rails for positioning can be moved forward into an opening of a component.
- the Movement mechanism is driven by servomotors, which are controlled by a central Control unit can be controlled.
- the push pins 38a to 38f are also here of the central control unit and are controlled by means of a movement mechanism forward displaceable. The movement mechanisms required for the adjustment are shown in FIG. 5 not shown.
- the assembly device includes additionally a base plate 50 on which the base body of a valve to be mounted can be arranged, and holding elements 51a, 51b for fixing the base body 17th
- the arrows shown in the figure indicate the directions of movement of the Holding elements, the slide rails and the push pins.
- FIG. 6 shows the assembly device from FIG. 5 with one in the assembly device arranged base body 17 of a base block of a pneumatic distributor of a TC pneumatic valve ,
- the slide rails of the mounting device are already in the illustration retracted into the base body.
- the one provided in the base body of the TC pneumatic valve The recess runs on the long side of the valve facing the slide rails and is in the representation shown in FIG. 6 is therefore not recognizable.
- slide rails 31a to 31d are first moved forward move into the base body 17 and then the seals along with deformation of the slideways inserted into the base body 17.
- the grooves are designed so that they partially, however, the seals not fully absorb.
- One in the base body 17 by means of the mounting device inserted seal thus slides without further action due to the Recovery tendency in such a groove.
- the mounting device can then are pulled out of the base body again, taking care that the seals inadvertently with the assembly device again be pulled out.
- FIG. 7 shows a basic body 17 of a basic block of a TC pneumatic valve, in the introduced four seals 40a to 40d by means of the mounting device according to the invention were.
- the introduced seals 40a to 40d each lie on the intermediate walls or the side walls of the base body 17 and frame each here Through holes.
- the position of the channel 22 in which the valve piston is later inserted is shown in dashed lines in FIG. In a next assembly step, everyone will A cage is used in between.
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Valve Housings (AREA)
- Bearings For Parts Moving Linearly (AREA)
- Sealing Of Bearings (AREA)
- Sealing Devices (AREA)
- Gasket Seals (AREA)
- Flanged Joints, Insulating Joints, And Other Joints (AREA)
Abstract
Description
Um verschiedene Schaltstellungen zu ermöglichen, kann beispielsweise in einer zylindrischen Kammer ein verschiebbarer Kolben angeordnet sein, dessen Durchmesser in definierten Abständen zueinander jeweils aufgedickt ist, wobei die Zwischenräume zwischen den Aufdickungen als Zwischenkammern ausgebildet sind. Wird der Kolben nun axial verschoben, so verändert sich die axiale Position der Zwischenräume in der zylindrischen Kammer. In einer einfach herzustellenden Ausführung sind die Ein- und Ausgänge jeweils, lediglich als radial in die zylinderförmige Kammer einmündende Bohrungen ausgeführt. Je nach axialer Verschiebeposition des Kolbens können die Ein- und Ausgänge somit selektiv mit den Zwischenkammern verbunden werden.
Eine solche manuelle Montage der Dichtungen ist jedoch zeitaufwendig und personalintensiv. Außerdem müssen die Dichtungen sehr sorgfältig an den jeweils dafür vorgesehenen Positionen platziert werden, damit sie beim späteren Einsetzen der Käfige nicht aus ihrer Position herausgeschoben werden und so entweder die Funktionalität des Ventils beeinträchtigen oder selbst sogar beschädigt werden. Im Rahmen der manuellen Montage kommt es hier immer wieder zu fehlerhaft eingesetzten oder fehlerhaft ausgerichteten Dichtungen, die es dann erforderlich machen, das Ventil in einem Reparaturschritt erneut zu zerlegen und die Dichtung zu erneuern oder erneut auszurichten.
Um die Montage der Dichtungen maschinell durchführen zu können, war bisher eine komplizierte Montagevorrichtung erforderlich, mittels derer die Dichtung zur Montage in mehrere Bewegungsrichtungen, nämlich zumindest zunächst radial und anschließend axial, verfahren werden konnte.
Des weiteren ist es eine Aufgabe der Erfindung, ein Verfahren zur Montage eines flexiblen Zwischenelements in einen Zwischenraum eines Bauteils, vorzugsweise zur vollautomatisch ablaufenden Montage, zur Verfügung zu stellen.
Gemäß der Erfindung erfolgt das Einführen des flexiblen Zwischenelements in den Zwischenraum des Bauteils somit in zwei Schritten: Zuerst wird die Gleitschiene in die Öffnung des Bauteils eingeführt. Anschließend wird das flexible Zwischenelement längs der Gleitbahn der Gleitschiene in das Bauteil eingeführt. Die Gleitbahn dient hierbei einerseits der Führung des flexiblen Zwischenelements, so dass das Zwischenelement an den beabsichtigten Platz in dem Bauteil gelangt. Ferner ist die Gleitbahn vorteilhaft mit einer glatten Oberfläche ausgeführt, so dass das Einführen des flexiblen Zwischenelements mit möglichst geringer Reibung und insbesondere ohne Beschädigung des flexiblen Zwischenelements erfolgt.
Mittels der erfindungsgemäßen Montagevorrichtung lässt sich das flexible Zwischenelement radial in einen in einem Bauteil vorgesehenen Zwischenraum einführen. Die Richtung des Einführvorgangs ist hierbei rein radial, d.h. das flexible Zwischenelement wird nur längs der Gleitschiene und in Richtung dieser zugeführt. Bisher erfolgte die Zuführung des flexiblen Zwischenelements axial oder zunächst radial und abschließend axial.
sondern kann auch erst nach erfolgter Gesamtmontage als Zwischenraum zwischen zwei Bauteilen vorliegen. Beispielsweise ergibt sich der Zwischenraum zwischen einer Zwischenwand und einem Käfig erst nach dem Einsetzen des Käfigs.
Insbesondere ist es mittels der erfindungsgemäßen Montagevorrichtung möglich, eine flexible Dichtung in eine längsseitige Aussparung eines Grundblocks eines Pneumatikverteilers einzuführen und hier gezielt an einer vorgesehenen Position, beispielsweise angrenzend an eine Zwischenwand oder auch an eine Seitenwand der Aussparung, anzuordnen. Somit muss im Rahmen der Montage eines im Stand der Technik bekannten Ventils der Ventilbaugruppe TC der Montageschritt des Einführens der Dichtungen nicht mehr manuell durchgeführt werden, sondern kann mittels der erfindungsgemäßen Montagevorrichtung erfolgen. Ein wesentlicher Vorteil einer maschinellen Montage besteht in der geringeren Fehleranfälligkeit des maschinellen Montageablaufs. Somit werden bei weniger Ventilen Dichtungen fehlerhaft eingebaut oder fehlerhaft justiert, die dann in einem Reparaturschritt zu ersetzen oder neu zu justieren wären.
Vertiefung sowie Begrenzungsstege sorgen für eine Begrenzung der Gleitbahn sowohl zur Seite als auch zweckmäßig in Einführrichtung nach vorne. Die Gleitbahn ist somit definiert vorgegeben, wodurch eine gute Führung des flexiblen Zwischenelements beim Einführen sichergestellt ist. Einzig auf der Oberseite findet während des Einführens ein Kontakt zwischen dem flexiblen Zwischenelement und dem Bauteil statt. Beschädigungen des flexiblen Zwischenelements beispielsweise durch überstehende Bauteilkanten, oder ein fehlerhaftes Ausrichten des flexiblen Zwischenelements, beispielsweise durch ein zu tiefes Einführen des Zwischenelements in das Bauteil, werden durch die Anordnung der Begrenzungsstege sowie durch die Ausbildung der Gleitbahn als Vertiefung vermieden.
- Figur 1
- einen Längsschnitt durch ein im Stand der Technik bekanntes Mehrwegeventil der Baureihe TC;
- Figur 2
- Käfige sowie Dichtungselemente zum Einbau im Rahmen der Montage in das Mehrwegeventil aus Figur 1;
- Figur 3a
- eine Draufsicht auf ein Versuchsmuster der erfindungsgemäßen Montagevorrichtung;
- Figur 3b
- eine Seitenansicht auf das Versuchsmuster aus Figur 3a;
- Figur 4
- den Vorgang der Montage einer Dichtung unter Verwendung des Versuchsmusters aus Figur 3a;
- Figur 5
- eine erfindungsgemäße Montagevorrichtung zur Serienmontage von Mehrwegeventilen in der Draufsicht;
- Figur 6
- die Montagevorrichtung aus Figur 5 mit einem zur Montage in der Montagevorrichtung angeordneten Grundblock eines Pneumatikverteilers;
- Figur 7
- einen Grundblock eines Pneumatikverteilers, in den mittels der erfindungsgemäßen Montagevorrichtung Dichtungen eingebracht wurden.
Gleiche oder gleichwirkende Bauteile sind im wesentlichen mit denselben Bezugszeichen gekennzeichnet.
Das Ventil umfasst einen als Pneumatikverteiler ausgebildeten Grundblock 16. Der Grundblock 16 ist zur Vereinfachung der Fertigung aus einer Vielzahl von Einzelelementen zusammengesetzt. Hierzu ist an einem quaderförmigen Grundkörper 17 des Grundblocks 16 auf der in Figur 1 oberen einer Längsseite 18 des Grundkörpers 17 eine im Querschnitt rechteckförmige Aussparung 19 angebracht, die sich nahezu über die gesamte Länge des Grundkörpers und in der Tiefe zu ca. zwei Dritteln der Höhe des Grundkörpers 17 in den Grundblock erstreckt. In diese Aussparung sind vorzugsweise würfel- oder quaderförmige, hohle und nach oben offene Einsatzelemente eingesetzt, die den unteren Bereich der Aussparung in fünf Zwischenbereiche 19a bis 19e unterteilen, die jeweils durch die als Zwischenwände fungierenden Seitenwände der Einsatzelemente voneinander abgetrennt sind. Die Zwischenwände können aber auch einteilig mit dem Grundkörper oder als einfache Steckelemente zum Einstecken in Nuten oder auch anderweitig hergestellt sein. In den ersten, dritten und fünften Zwischenbereich 19a, 19c, 19e mündet jeweils eine Bohrung von der Unterseite des Grundkörpers ein. Die Bohrungen bilden. die Ausgänge 13, 14 und 15 des Ventils. Ferner ist in jeden Zwischenbereich 19a bis 19e von oben ein Käfig 20a bis 20e eingesetzt. Die Käfige 20a und 20b sind in Figur 2 in perspektivischer Einzelteildarstellung dargestellt.
In Längsrichtung des Grundblocks ist des weiteren ein zylindrischer Kanal 21 ausgebildet, in den der Ventilkolben 22 eingesetzt ist. Um den zylindrischen Kanal 21 bereitzustellen, ist in dem Grundblock eine Durchgangsbohrung vorgesehen, die sich von der einen Stirnseite des Grundblocks zu der anderen Stirnseite und auch jeweils durch die Zwischenwände erstreckt.
Die Käfige werden zur Oberseite 18 hin mittels eines mit dem Grundblock verschraubbaren Deckels 24 gegen Herausfallen gesichert.
In den zylinderförmigen Kanal 21 ist der Ventilkolben 22 zusammen mit einer Rückstellfeder 25 eingesetzt und der Kanal 21 an einer Stirnseite über ein einfaches Deckelelement 26 und an der anderen Stirnseite über ein Magnetspulenabschlusselement 27 verschlossen. Das Magnetspulenabschlusselement 27 umfasst eine in Figur 1 nicht dargestellte Magnetspule, die bei Bestromung dazu führt, dass ein Stift in Richtung der Ventilkolbenachse verfahren wird und der Ventilkolben 22 hierdurch entgegen der Wirkrichtung der Rückstellfeder 25 in der Darstellung nach rechts verfahren wird. Der Ventilkolben 22 besteht aus drei aufgedickten Abschnitten 22a, 22c, 22e sowie zwei dünneren Zwischenverbindungsstegen 22b, 22d, wobei der Durchmesser der aufgedickten Abschnitte jeweils gleich dem Durchmesser des Kanals 21 ist. Die Bereiche der Zwischenverbindungsstege 22b und 22d bilden somit jeweils Zwischenkammern aus. Bei Verschiebung des Ventilkolbens wandern diese Zwischenkammern entsprechend der Bewegung des Ventilkolbens in Ventilkolbenachsrichtung. Je nach Position der Zwischenkammern kann ein Eingang 11 oder 12 des Ventils über eine der Zwischenkammern mit einem Ausgang 13, 14 oder 15 des Ventils verbunden sein, so dass ein Fluid von dem jeweiligen Eingang zu dem jeweiligen Ausgang strömen kann.
Das erfindungsgemäß ausgeführte Versuchsmuster 30 umfasst eine Gleitbahn 32, die auf einer Gleitschiene 31 vorgesehen ist und auf der eine Dichtung gleiten kann. Die Gleitschiene 31 ist in ihrem vorderen Teil 31a zungenförmig mit einer wie hier dargestellten halbrunden Außenkontur ausgebildet. Die Gleitbahn 32 ist hier als Vertiefung in der Gleitschiene 31 ausgeführt. Zur seitlichen Begrenzung der Gleitbahn 32 sind ein erster seitlicher Begrenzungssteg 33 sowie ein dem ersten seitlichen Begrenzungssteg gegenüberliegender zweiter seitlicher Begrenzungssteg 34 an der Gleitschiene 31 angeordnet.
Ferner umfasst das erfindungsgemäß ausgeführte Versuchsmuster einen Grundblock 36 mit einer Durchgangsöffnung, wobei die Gleitschiene 31 mit einem hinteren Teil 31b der Gleitschiene 31, der dem vorderen Teil 31a abgewandt ist, durch die Durchgangsöffnung hindurchgreifend so angeordnet und mit dem Grundblock 36 verbunden ist, dass zwischen Gleitschiene und Grundblock ein Zwischenspalt verbleibt, durch den die Dichtung durch den Grundblock gleiten kann. Der Zwischenspalt ist in den Figuren 3a und 3b nicht einsehbar; jedoch ist der Verlauf der Gleitschiene in dem Grundblock gestrichelt dargestellt. An dem Grundblock sind oben und unten Zentrierbalken 37a, 37b angebracht, die einer Zentrierung des Grundblocks 36 an dem Grundkörper des Pneumatikverteilers dienen.
Des weiteren umfasst die Montagevorrichtung einen Schiebestift 38, der längs der Gleitbahn 32 führbar ist, um das flexible Zwischenelement in Richtung des vorderen Teils 31a der Gleitbahn 31 und somit in den Zwischenraum des Pneumatikverteilers einzuschieben.
Claims (13)
mit einer Gleitschiene (31), die mit einem vorderen Teil (31a) durch eine in dem Bauteil vorgesehene Öffnung bis in den Bereich des Zwischenraums des Bauteils einsetzbar ist,
wobei die Gleitschiene (31) eine Gleitbahn (32) umfasst, längs derer das flexible Zwischenelement bei in das Bauteil eingesetzter Gleitschiene unter Nutzung der Flexibilität des Zwischenelements gleitend in den Zwischenraum des Bauteils einführbar ist.
wobei die Gleitschiene (31) in ihrem vorderen Teil (31a) zungenförmig ausgebildet ist.
wobei die Gleitbahn (32) als Vertiefung in der Gleitschiene ausgebildet ist und zur seitlichen Begrenzung der Gleitbahn ein erster seitlicher Begrenzungssteg (33) sowie ein dem ersten seitlichen Begrenzungssteg gegenüberliegender zweiter seitlicher Begrenzungssteg (34) an der Gleitschiene angeordnet sind.
wobei zusätzlich ein dritter, vorderer Begrenzungssteg (35) an der Gleitschiene angeordnet ist, um den Gleitweg des flexiblen Zwischenelements in Einführrichtung zu begrenzen.
wobei die Gleitbahn auf einer ersten Seite der Gleitschiene angeordnet ist und ferner auf einer zweiten, der ersten Seite entgegengesetzten Seite der Gleitschiene eine zweite Gleitbahn angeordnet ist.
wobei die Montagevorrichtung ferner einen Grundblock (36) mit einer Durchgangsöffnung umfasst und die Gleitschiene mit einem hinteren, dem vorderen Teil abgewandten Teil (31b) der Gleitschiene (31) durch die Durchgangsöffnung hindurchgreifend so angeordnet und mit dem Grundblock (36) verbunden ist, dass zwischen Gleitschiene und Grundblock ein Zwischenspalt verbleibt, durch den das flexible Zwischenelement durch den Grundblock gleiten kann.
wobei an dem Grundblock zumindest ein Zentrierelement (37a, 37b) zur Zentrierung des Grundblocks an dem Bauteil angeordnet ist.
wobei die Montagevorrichtung ferner einen Schiebestift (38) umfasst, der längs der Gleitbahn (32) führbar ist, um das flexible Zwischenelement in den Zwischenraum des Bauteils einzuschieben.
wobei das flexible Zwischenelement eine Dichtung (40) mit vorzugsweise rundem oder ovalem Querschnitt, besonders bevorzugt eine Rundschnurdichtung ist.
wobei die Montagevorrichtung eine Mehrzahl von Gleitschienen zum gleichzeitigen Einsetzen von mehreren flexiblen Zwischenelementen in Zwischenräume eines Bauteils umfasst.
wobei die Montagevorrichtung eine vollautomatische Steuerung zur vollautomatischen Montage von Dichtungen in Zwischenräume von Pneumatikverteilern umfasst.
wobei in einem ersten Schritt die Gleitschiene der Montagevorrichtung gemäß einem der Ansprüche 1 bis 12 mit ihrem vorderen Teil durch eine in dem Bauteil vorgesehene Öffnung bis in den Bereich des Zwischenraums des Bauteils eingesetzt wird,
und anschließend das Zwischenelement unter Nutzung der Flexibilität des Zwischenelements längs der Gleitschiene gleitend radial in den Zwischenraum eingeführt wird, um sich hier zumindest teilweise in ihren Ausgangszustand zurückzuverformen.
wobei nach dem Einführen des Zwischenelements in den Zwischenraum die Montagevorrichtung aus der Öffnung des Bauteils entfernt wird und die Öffnung in dem Bauteil mittels eines Käfigs verschlossen wird.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE10307971A DE10307971A1 (de) | 2003-02-24 | 2003-02-24 | Montagevorrichtung zur Montage von Dichtungen |
| DE10307971 | 2003-02-24 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP1450085A1 true EP1450085A1 (de) | 2004-08-25 |
| EP1450085B1 EP1450085B1 (de) | 2008-10-08 |
Family
ID=32731129
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP04004093A Expired - Lifetime EP1450085B1 (de) | 2003-02-24 | 2004-02-23 | Montagevorrichtung zur Montage von Dichtungen |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP1450085B1 (de) |
| AT (1) | ATE410626T1 (de) |
| DE (2) | DE10307971A1 (de) |
| ES (1) | ES2315582T3 (de) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB190522818A (en) * | 1905-11-07 | 1906-02-01 | Mappin & Webb Ltd | Improvements in Table Knife and Fork Handles of Metal. |
| DE7719941U1 (de) * | 1977-06-25 | 1979-02-01 | Martin Merkel Kg, 2102 Hamburg | Vorrichtung zum Einsetzen eines elastischen Ringes in die Umfangsnut einer Bohrung |
| US4212096A (en) * | 1977-08-20 | 1980-07-15 | Tokico Ltd. | Automatic resilient ring fitting device |
| DE3909973A1 (de) * | 1989-03-25 | 1990-09-27 | Mertens Peter | O-ring-positioniervorrichtung |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3115701A (en) * | 1960-09-01 | 1963-12-31 | Continental Oil Co | Method for installation of sealing rings |
| CA999723A (en) * | 1973-04-27 | 1976-11-16 | Harald Eschholz | Apparatus for application of resilient seals |
| DE4027520A1 (de) * | 1990-08-31 | 1992-03-12 | Festo Kg | Ringfoermige dichtungsanordnung und damit ausgestattetes ventil |
| DE19726844A1 (de) * | 1997-06-24 | 1999-01-07 | Basf Ag | Montageeinrichtung für eine Dichtung, insbesondere eine Flachdichtung |
-
2003
- 2003-02-24 DE DE10307971A patent/DE10307971A1/de not_active Ceased
-
2004
- 2004-02-23 EP EP04004093A patent/EP1450085B1/de not_active Expired - Lifetime
- 2004-02-23 AT AT04004093T patent/ATE410626T1/de not_active IP Right Cessation
- 2004-02-23 ES ES04004093T patent/ES2315582T3/es not_active Expired - Lifetime
- 2004-02-23 DE DE502004008179T patent/DE502004008179D1/de not_active Expired - Lifetime
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB190522818A (en) * | 1905-11-07 | 1906-02-01 | Mappin & Webb Ltd | Improvements in Table Knife and Fork Handles of Metal. |
| DE7719941U1 (de) * | 1977-06-25 | 1979-02-01 | Martin Merkel Kg, 2102 Hamburg | Vorrichtung zum Einsetzen eines elastischen Ringes in die Umfangsnut einer Bohrung |
| US4212096A (en) * | 1977-08-20 | 1980-07-15 | Tokico Ltd. | Automatic resilient ring fitting device |
| DE3909973A1 (de) * | 1989-03-25 | 1990-09-27 | Mertens Peter | O-ring-positioniervorrichtung |
Also Published As
| Publication number | Publication date |
|---|---|
| DE10307971A1 (de) | 2004-09-09 |
| ES2315582T3 (es) | 2009-04-01 |
| ATE410626T1 (de) | 2008-10-15 |
| DE502004008179D1 (de) | 2008-11-20 |
| EP1450085B1 (de) | 2008-10-08 |
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